What If on MSN

A massive solar storm just slammed into Earth, and here’s what it knocked out

Imagine looking up at the Sun and seeing an explosion so powerful that it sends a wave of energy racing toward Earth. Within ...
Hosted on MSN

A G3 solar storm lit up auroras over 30 states, beating forecasts by two levels

On July 3, 2026, a geomagnetic storm reached G3 intensity and pushed visible auroras across more than 30 U.S. states, catching forecasters and the public off guard. NOAA’s Space Weather Prediction ...

Solar storms may alter the weather on Mars, study finds

Mars may react differently when trouble arrives from two directions at once. A solar particle storm and a planet-wide dust storm overlapped in 2018, and temperatures rose in the lower atmosphere ...

Sunspots could predict dangerous solar storms seven years in advance

The Sun’s strongest space weather appears to stop suddenly at a specific point in each cycle. The number of sunspots at that ...